求翻译：竞走中有练习者采用拖轮胎进行竞走力量训练以提高竞走能力，但本研究中认为这种练习形式对直膝后扒技术的提高同样具有重要作用。是什么意思？

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The race has a practice of drag and drop a tire to race strength training to improve walking ability, but the research that this is an exercise of laptops has been sought after technology improves equally important role.

In the heel-to-toe walking race has the practitioner to use tows the tire to carry on the heel-to-toe walking race strength training to sharpen the heel-to-toe walking race ability, after but in this research thought this kind of practice form direct knee digs up the technology to enhance has the vi

Walking walking strength training exercises using drag tires to improve walking ability, but in this study believe that this practice forms of knee grilled technologies also play an important role in improving.

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